v0.2.54..v0.2.55 changeset ConnectedRelationMemberFinder.cpp

diff --git a/hoot-core/src/main/cpp/hoot/core/elements/ConnectedRelationMemberFinder.cpp b/hoot-core/src/main/cpp/hoot/core/elements/ConnectedRelationMemberFinder.cpp
new file mode 100644
index 0000000..00d6910
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/elements/ConnectedRelationMemberFinder.cpp
@@ -0,0 +1,76 @@
+/*
+ * This file is part of Hootenanny.
+ *
+ * Hootenanny is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --------------------------------------------------------------------
+ *
+ * The following copyright notices are generated automatically. If you
+ * have a new notice to add, please use the format:
+ * " * @copyright Copyright ..."
+ * This will properly maintain the copyright information. DigitalGlobe
+ * copyrights will be updated automatically.
+ *
+ * @copyright Copyright (C) 2020 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+
+#include "ConnectedRelationMemberFinder.h"
+
+// Hoot
+#include <hoot/core/util/HootException.h>
+#include <hoot/core/util/Log.h>
+#include <hoot/core/elements/SharedWayNodeFinder.h>
+
+namespace hoot
+{
+
+ConnectedRelationMemberFinder::ConnectedRelationMemberFinder()
+{
+}
+
+bool ConnectedRelationMemberFinder::haveConnectedWayMembers(
+  const ConstRelationPtr& relation1, const ConstRelationPtr& relation2) const
+{
+  if (relation1 && relation2)
+  {
+    std::set<ElementId> relation1WayMembers = relation1->getMemberIds(ElementType::Way);
+    std::set<ElementId> relation2WayMembers = relation2->getMemberIds(ElementType::Way);
+    for (std::set<ElementId>::const_iterator it = relation1WayMembers.begin();
+         it != relation1WayMembers.end(); ++it)
+    {
+      const ElementId elementId1 = *it;
+      for (std::set<ElementId>::const_iterator it2 = relation2WayMembers.begin();
+           it2 != relation2WayMembers.end(); ++it2)
+      {
+        const ElementId elementId2 = *it2;
+        if (elementId1 != elementId2)
+        {
+          ConstWayPtr way1 = _map->getWay(elementId1);
+          ConstWayPtr way2 = _map->getWay(elementId1);
+          if (way1 && way2)
+          {
+            if (SharedWayNodeFinder::waysShareEndNode(way1, way2, true))
+            {
+              LOG_TRACE("Found shared end node.");
+              return true;
+            }
+          }
+        }
+      }
+    }
+  }
+  return false;
+}
+
+}